/Engine/Plugins/Experimental/Mutable/Source/CustomizableObject/Public/MuCO/UnrealExtensionDataStreamer.h
Not copyable becauseTFutureisn't copyable. This shouldn't be limiting in practise.
FUnrealExtensionDataStreamer ( const [FUnrealExtensionDataStreamer](API\Plugins\CustomizableObject\MuCO\FUnrealExtensionDataStreamer) & Other )